Taxonomic revision of Phyllanthus L. (Phyllanthaceae) in Madagascar and the Comoro Islands II: subgenera Anisonemoides (Jean F. Brunel) Ralim. & Petra Hoffm., stat. nov. and Menarda (Müll. Arg.) Ralim. & Petra Hoffm., stat. nov.

[摘要] InthesecondpartofthetaxonomicrevisionofPhyllanthusL.inMadagascarandtheComoroIslandsthesubgeneraAnisonemoides(JeanF.Brunel)Ralim.amp;PetraHoffm.,stat.nov.andMenarda(Müll.Arg.)Ralim.amp;PetraHoffm.,stat.nov.aredescribed.Thesubgeneraarecharacterisedbypinnatiformorbipinnatiformphyllanthoidbranching,stamensare(2-4)5(-6)freeorfusedinAnesonemoidesbut5,freestamensinMenarda;dehiscentfruitsandtricolporateortrisyncolporatepollenwithamacro-microreticulateexine,withmuriborderingcolpi,andoneortwopores.TheyareendemictoMadagascarwithmosttaxabeingoflimitedgeographicdistribution.ThesubgenusAnisonemoides,stat.nov.comprisesfifteenspeciesandtwospeciesarebelongingtoMenarda,stat.nov.FourspeciesfromtheEasternfloristicdomainarenewlydescribed:PhyllanthusbemangidiensisRalim.,sp.nov.,P.coodeiRalim.amp;PetraHoffm.,sp.nov.,P.gordoniiRalim.amp;PetraHoffm.,sp.nov.,andP.mantadiensisRalim.amp;PetraHoffm.,sp.nov.DistributionmapsandIUCNconservationassessmentstatusareprovidedforeachtaxon.ThecircumscriptionofseveralspecieswithinAnisonemoidesstat.nov.andMenardastat.nov.hasbeenrevised.

[学科分类] 植物学

[关键词] IUCN conservation assessment status;Madagascar;Phyllanthaceae;Phyllanthus;new species;new subgenera;Phyllanthaceae;Phyllanthus;UICN évaluation du statut de conservation;Madagascar;espèces nouvelles;sous-genres nouveaux